Measured quantity:

• check CO2 / air humidity / temperature(4)
• check CO2 / temperature(3)
• check CO2 / VOC / Mix CO2 + VOC / temperature(1)
• check CO2 / VOC / temperature(1)

Sensor output / sensor:

• check Active 4...20 mA, 0...5 V, 0...10 V(1)
• check Active DC 0...5 V / 0...10 V(2)

CO₂ measuring range:

• check 0...2000 ppm(2)
• check 0...5000 ppm(1)